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AP and TS EAMCET Engineering Model Paper 17

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Question : 124

Total: 160

Substance A decomposes in solution following the first order kinetics .Flask I contains 1 L of 1 M solution A and flask II contains 100 ml of 0.6 M solution of A. After 8 hrs the concentration of A in flask I become 0.25 M. What will be the time for concentration of A in flask II to become 0.3 M?

2.0 hrs
8.0 hrs
4.0 hrs
6.0 hrs

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